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Transaction Explainer
x402
Transaction Explainer is a paid API for AI agents from transaction-explainer.pdfextractapi.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Decodes an on-chain transaction hash and returns a plain-English explanation with token transfer detection
Price / call$0.02
Success—
StatusUnknown
How this service works
Decode an on-chain transaction and explain it in plain English, with token transfer detection.
Output
A plain-English explanation of what the on-chain transaction did, including a description of the action performed, parties involved, and any token transfers detected (token names, amounts, sender/receiver addresses).
Example use cases
Decode a suspicious wallet transaction
“I just received a notification about this transaction on my wallet: 0xabc123...def456 on the Ethereum network. Can you explain exactly what happened and whether any tokens were transferred out?”
Explain a DeFi swap to a newcomer
“My friend sent me this tx hash from a Uniswap trade on Polygon — 0x9f8e7d6c5b4a3210fedcba9876543210fedcba9876543210fedcba9876543210 — can you break down what the swap actually did in plain English?”
Audit a DAO governance transaction
“We need to understand what this on-chain transaction on Arbitrum did for our audit report: 0x1234abcd5678efgh9012ijkl3456mnop7890qrst1234abcd5678efgh9012ijkl — explain the action and list any token movements.”
Technical details
Endpoint
POSThttps://transaction-explainer.pdfextractapi.workers.dev/explainWhen to prefer
Use this endpoint when you need a human-readable summary of an on-chain transaction for non-technical users, auditing, or reporting purposes. It supports multiple EVM chains (Ethereum, Base, Polygon, Arbitrum, Optimism, BNB) and specializes in token transfer detection, making it ideal for wallets, block explorers, DeFi dashboards, or compliance tools that need to surface what a transaction actually did without requiring the caller to parse ABI data themselves.
Side effects
- Invalid or malformed tx hash returns an error
- Transaction hash not found on the specified chain
- Unsupported chain key returns a validation error
- Network timeouts when fetching chain data
- Complex multi-call transactions may produce incomplete explanations
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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